From 05f9b3a0a570fcacbd38570f0860afdabc80a791 Mon Sep 17 00:00:00 2001 From: Thilo Borgmann Date: Fri, 11 Jun 2021 21:03:20 +0200 Subject: [PATCH] doc/protocols: Add remark about TCP_NODELAY to documentation of TCP --- doc/protocols.texi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/doc/protocols.texi b/doc/protocols.texi index 6b5a9cfbd5..ccdfb6e439 100644 --- a/doc/protocols.texi +++ b/doc/protocols.texi @@ -1728,6 +1728,8 @@ Set send buffer size, expressed bytes. @item tcp_nodelay=@var{1|0} Set TCP_NODELAY to disable Nagle's algorithm. Default value is 0. +@emph{Remark: Writing to the socket is currently not optimized to minimize system calls and reduces the efficiency / effect of TCP_NODELAY.} + @item tcp_mss=@var{bytes} Set maximum segment size for outgoing TCP packets, expressed in bytes. @end table